🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.58 AU - 0.92 AU

Year: 250 Days

Day: 47.1 Hours

Environment

Temp: 164 °C

Axial Tilt: 15.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 59,720,104 km

• M1: 72,256 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.61 AU - 1.01 AU

Year: 281 Days

Day: 31.7 Hours

Environment

Temp: 29 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.88 AU - 1.26 AU

Year: 426 Days

Day: 41.3 Hours

Environment

Temp: 2 °C

Axial Tilt: 29.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 59,720,104 km

• M1: 60,587 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.16 AU - 1.58 AU

Year: 617 Days

Day: 15.5 Hours

Environment

Temp: -56 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,720,104 km

• M1: 422,016 km (0.057 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.61 AU - 1.85 AU

Year: 876 Days

Day: 15.1 Hours

Environment

Temp: -69 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.19 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.5

Radius: 9

Gravity: 10.46 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.48 AU - 4.82 AU

Year: 3861 Days

Day: 6.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,720,104 km

• M1: 111,899 km (0.109 R)
• M2: 492,177 km (0.1 R)
• M3: 781,499 km (0.083 R)
• M4: 1,088,325 km (0.046 R)
• M5: 1,466,059 km (0.08 R)
• M6: 1,903,483 km (0.099 R)
• M7: 3,173,420 km (0.113 R)
• M8: 3,467,679 km (0.042 R)
• M9: 3,801,581 km (0.073 R)
• M10: 5,196,880 km (0.041 R)
• M11: 5,635,651 km (0.059 R)
• M12: 6,525,010 km (0.051 R)
• M13: 6,938,200 km (0.089 R)
• M14: 7,335,083 km (0.048 R)
• M15: 8,580,036 km (0.114 R)
• M16: 9,471,340 km (0.061 R)
• M17: 10,508,951 km (0.07 R)
• M18: 10,900,299 km (0.109 R)
• M19: 12,956,223 km (0.115 R)
• M20: 15,147,682 km (0.086 R)
• M21: 15,873,381 km (0.1 R)
• M22: 18,127,372 km (0.109 R)
• M23: 19,009,102 km (0.068 R)
• M24: 20,654,380 km (0.109 R)
• M25: 20,994,416 km (0.071 R)
• M26: 21,407,455 km (0.097 R)
• M27: 21,966,652 km (0.073 R)
• M28: 22,321,049 km (0.06 R)
• M29: 24,376,674 km (0.106 R)
• M30: 25,920,075 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.4

Radius: 9.8

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.9 AU - 6.38 AU

Year: 5157 Days

Day: 9 Hours

Environment

Temp: -151 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,720,104 km

• M1: 122,969 km (0.114 R)
• M2: 532,718 km (0.099 R)
• M3: 842,685 km (0.094 R)
• M4: 1,215,632 km (0.117 R)
• M5: 3,054,489 km (0.051 R)
• M6: 3,674,872 km (0.09 R)
• M7: 4,480,755 km (0.119 R)
• M8: 4,967,696 km (0.068 R)
• M9: 5,952,050 km (0.07 R)
• M10: 7,204,783 km (0.117 R)
• M11: 8,224,143 km (0.097 R)
• M12: 9,336,852 km (0.098 R)
• M13: 9,729,247 km (0.097 R)
• M14: 12,164,700 km (0.107 R)
• M15: 13,717,377 km (0.054 R)
• M16: 14,224,962 km (0.104 R)
• M17: 15,458,397 km (0.065 R)
• M18: 16,070,102 km (0.116 R)
• M19: 18,339,053 km (0.079 R)
• M20: 21,109,905 km (0.101 R)
• M21: 21,862,981 km (0.089 R)
• M22: 27,644,789 km (0.116 R)
• M23: 31,270,742 km (0.113 R)
• M24: 32,249,262 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.6

Radius: 5.7

Gravity: 17.13 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 10.88 AU - 12.54 AU

Year: 15428 Days

Day: 18.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,720,104 km

• M1: 82,578 km (0.09 R)
• M2: 480,060 km (0.087 R)
• M3: 671,994 km (0.105 R)
• M4: 1,633,609 km (0.118 R)
• M5: 2,499,032 km (0.118 R)
• M6: 3,318,230 km (0.038 R)
• M7: 4,242,446 km (0.108 R)
• M8: 6,708,866 km (0.09 R)
• M9: 12,446,543 km (0.11 R)
• M10: 14,633,664 km (0.096 R)
• M11: 14,844,447 km (0.075 R)
• M12: 18,497,478 km (0.077 R)
• M13: 24,537,342 km (0.09 R)
• M14: 28,268,762 km (0.049 R)
• M15: 32,599,919 km (0.106 R)
• M16: 38,409,552 km (0.081 R)
• M17: 45,020,881 km (0.09 R)
• M18: 49,772,857 km (0.075 R)
• M19: 52,024,455 km (0.04 R)
• M20: 53,175,162 km (0.081 R)
• M21: 55,698,279 km (0.106 R)
• M22: 57,249,759 km (0.098 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 16,501 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit